Home / 30,953.58-46,432.53-13,424.46

Finding the Fourth Proportional to 30,953.58, 46,432.53 and 13,424.46

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Solution

The fourth proportional to 30,953.58, 46,432.53 and 13,424.46 is: 20,137.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,953.58 : 46,432.53 = 13,424.46 : x
  2. Step 2: Convert to fraction form
    30,953.58/46,432.53 = 13,424.46/x
  3. Step 3: Cross multiply
    30,953.58x = 46,432.53 × 13,424.46
  4. Step 4: Simplify right side
    30,953.58x = 623,331,641.68
  5. Step 5: Solve for x
    x = 623,331,641.68/30,953.58
  6. Step 6: Final answer
    x = 20,137.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.